Sigit Saputro, Avisema. “Kajian Macam Pupuk NPK Majemuk Pada Cabai Hibrida: A Study of Compound NPK Fertilizers in Hybrid Chili”. Agrifarm : Jurnal Ilmu Pertanian 10, no. 2 (December 30, 2021): 86-91. Accessed August 12, 2022. https://journal.uwgm.ac.id/index.php/agrifarm/article/view/1076.